MOSCOW — (AP) — Russian President Vladimir Putin hosted his Iranian counterpart Friday for the signing of a broad pact between Moscow and Tehran.
The Kremlin says the “comprehensive strategic partnership” agreement between Putin and Iranian President Masoud Pezeshkian will take their cooperation to a new level.
What to know about the relationship between Russia and Iran:
Russia and Iran fought wars in the 18th and 19th centuries, with the Russian Empire capturing broad territories in the Caucasus and the Caspian region previously controlled by Persian rulers. In the early 20th century, Russian troops occupied large parts of northern Iran, but the 1917 Bolshevik Revolution ended their presence. In World War II, the Soviet Union and Britain invaded Iran, which still evokes painful memories in Tehran.
Tensions ran high in the Cold War, when Tehran was a U.S. ally under the Shah of Iran. After his ouster in the 1979 Islamic Revolution, leader Ayatollah Ruhollah Khomeini castigated the U.S. as the “Great Satan,” and denounced the USSR as the “Lesser Satan.”
Russia-Iran ties warmed after the USSR's demise in 1991. Moscow became an important trade partner and a key supplier of weapons and high technologies to Iran, which faced isolation from sweeping international sanctions.
Russia built Iran's first nuclear power plant in the port of Bushehr that became operational in 2013. The next year, Moscow signed a contract to build two more nuclear reactors.
Russia was part of the 2015 deal between Iran and six nuclear powers offering sanctions relief for Tehran in exchange for curbing its atomic program and opening it to broader international scrutiny. Moscow offered political support to Iran when the U.S. unilaterally withdrew from the agreement during President Donald Trump’s first term.
After a civil war in Syria erupted in 2011, Russia and Iran pooled efforts to shore up Bashar Assad's government against Turkey-backed rebels seeking his ouster. In 2015, Russia launched a military campaign in Syria, joining Iran and its proxies, that helped Assad re-establish control in most of the country.
With Moscow preoccupied with fighting in Ukraine, and Iran facing challenges from Israel, they failed to prevent a swift collapse of Assad's rule last month after a lightning opposition offensive, and he fled with his family to Russia.
The West alleges that in 2022, Russia and Iran signed a $1.7 billion deal for Shahed drones after Putin sent troops into Ukraine, and the U.S. also believes Iran has transferred short-range ballistic missiles, but neither Moscow nor Tehran ever acknowledged the actions.
Iranian leaders give strong political support to Putin, echoing his arguments for justifying the conflict.
Tehran likely hopes to secure financial and defense promises from Moscow for its tattered economy after the collapse of the 2015 nuclear deal and amid increasing pressure in the Middle East.
Assad's downfall was a major blow to Tehran's self-described "Axis of Resistance" in the region after Israel's punishing offensives against two militant groups backed by Iran -– Hamas in Gaza and Hezbollah in Lebanon. Israel attacked Iran directly twice, and Israeli officials claimed the raids took out Tehran's Russia-supplied S-300 air defense systems.
Iran wants Russian long-range air defense systems and other weapons. It has hoped to get Russia's advanced Su-35 fighter jets to upgrade its aging fleet hobbled by sanctions, but Moscow only provided a few Yak-130 trainer jets in 2023.
Trump's policy of "maximum pressure" on Iran heralds more trouble for Tehran as he prepares to start his second term on Monday. This month, he left open the possibility of the U.S. preemptive airstrikes on Iranian nuclear sites. Iran insists its nuclear program is peaceful, but some officials increasingly suggest it could pursue atomic weapons.
Putin said the new treaty will “give an additional impulse to practically all areas of our cooperatioon.” Pezeshkian similarly declared the documents will form a “solid foundation for our forward movement.”
The Kremlin noted that the treaty covers all areas -– from trade and military cooperation to science, education and culture.
Iranian Foreign Minister Abbas Araghchi told state TV that while the pact covers defense and security cooperation, “this is a complete and comprehensive treaty, not one focused on a specific purpose, such as a military alliance.”
Despite the official rhetoric, the nations' troubled history makes many Iranians suspicious about Russia. Kremlin efforts to balance courting Tehran while staying friendly with Israel adds to the uneasiness.
There are signs of growing discontent about Russia within Iran’s powerful Revolutionary Guard, a paramilitary force answerable only to Supreme Leader Ayatollah Ali Khamenei. Last week, an audio recording leaked in Iranian media with a Guard general blaming Russia for woes Iran suffered in Syria.
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Associated Press writer Jon Gambrell in Dubai, United Arab Emirates, and Amir Vahdat in Tehran contributed.